I'm writing an Android FMX app in Delphi 10.3 Rio. There I'm selecting photos from the gallery (via TJIntent.JavaClass.ACTION_OPEN_DOCUMENT) and getting back Jnet_Uri entries. I can use those to read ...

I need to take a picture with Android app (either from Camera or from Gallery) and check its EXIF date-time (and a couple other properties). I have successfully implemented recieving of the JPG image ...

I'm using Delphi 10.3.1 Rio. I have made an app that self updates. The app downloads the APK from a site using HTTPS as required with Android 9. I have used this for 2 years now with Delphi 10.2.3. ...

I have an app that allows my users to turn on and off a timer to track their time spent on a certain task. The timer runs a clock used to show the elapsed time to the user, much like a stopwatch.
The ...

I am trying to learn drawing a StringGrid in Delphi.
Here is my StringGrid:
But the problem is when I select a row blue areas appear like shown in the image even I did not set color to blue.
I want ...

Using Delphi 10.3 and Fmx, how do I get the second descendant of TTreeviewItem to show its text ? The first descendant works fine. The second one (T3) always shows blank. In this sample the "Parent"...

I've been experimenting to see if I can get the same effect with a custom control with no luck.
The issue is, I'm wanting to make a resizable panel like component derived from Tcustomcontrol.
I can ...

I have created a PageControl like component derived from Tcustomcontrol which hosts child tabsheets derived from TcustomPanel.
The Tabsheets are created by the host pagecontrol via a newpage method ...

I started working with "Delphi 10.3 Rio" and i'm looking at what seems to be a bug related to the TChart object. In an FMX application for "Android 8" I have just created a window with a single object,...

I've made a simple Android app in Delphi which creates a login form. The issue I'm having is that when I run it on Android phone, the app starts fine, but pops up a message "Class TFormLogin not found"...

I use the indy http component (tidhttp) to get the HTML content of any web site. It works for most web sites.
"HTTP/1.1 412 Precondition Failed" error is encountered if I try a certain web site (http:...

I need to create a ListView at runtime, where ItemAppearance is set as DynamicAppearance, and then populate the ListView with values.
I know how to work with such a ListView created at design-time, ...

My Delphi 10.2.3 app was submitted to Google Play with the fix from this answer: Delphi Android app API level 26?
Google Play reported that this build supports over 400 devices.
The same project was ...

I'm try to install ZipForge component for Delphi 10.2 Tokyo (ComponentAce doesn't have official version for this component for Delphi Rio 10.3) into Delphi 10.3 Rio for tests, but until this moment, ...

I am wondering if it is possible to save a Desktop Layout while using Delphi 10.3 Community Edition.
I am doing this process, but I am not finding the Save Desktop Layout Option.
View --> Desktops -...